PRAEVO
Autonomous Building Operations
Meridian Tower · 12 floors · 284,000 ft²Alerts →10:30:05 AM
🔔 Get a phone notification the moment a failure is predicted — install Praevo and turn on alerts.
Building health
66/100
11 of 15 systems healthy
Energy today
$346
2,471 kWh
Failures predicted · 30d
4
next: P-2 in 11 days
Savings · month to date
$25,710
energy + avoided downtime
Detected waste
$1,579/mo
2 floors flagged
Occupancy now
95%
drives HVAC + lighting setpoints

Predictive maintenance

Remaining useful life per asset, from live sensor trends — dashed line marks the failure threshold
AssetEquipment48h trendReadingHealthFails in
P-2
CHW Pump P-2
B1 chiller plant
Bearing wear — outer race spalling
4.13 mm/s
Bearing vibrationhealth 33%
11 days
97% confidence
EL-3
Elevator 3
Core, car 3
Door operator motor wear
5.13 A
Door motor currenthealth 53%
23 days
95% confidence
P-3
Condenser Pump P-3
B1 chiller plant
Impeller erosion
3.17 mm/s
Shaft vibrationhealth 50%
25 days
95% confidence
AHU-3
AHU-3 · Floors 7–9
Roof, north
Outside-air damper stuck at 68%
547 Pa
Supply fan ΔPhealth 65%
28 days
94% confidence
WH-1
Water Heater WH-1
B2 mechanical
Scale accumulation
35 min
Recovery timehealth 73%
67 days
89% confidence
CH-2
Chiller 2
B1 chiller plant
Refrigerant charge drift
3.68 mm/s
Compressor vibrationhealth 69%
83 days
87% confidence
BP-1
Booster Pump BP-1
B2 mechanical
2.15 mm/s
Shaft vibrationhealth 72%
100 days
84% confidence
CT-1
Cooling Tower Fan
Roof, south
2.98 mm/s
Motor vibrationhealth 70%
120+ d
75% confidence

Energy by floor — live load

Flagged floors show constant-draw anomalies the AI isolated from occupancy-normalized baselines
F1235.3 kW
F1138.2 kW
▲ wasting $385/mo — Excess load during unoccupied hours — ~9.2 kW overnight above the occupancy-normalized baseline
F1041.8 kW
F941.5 kW
F845.2 kW
F752.4 kW
▲ wasting $1,194/mo — Elevated 24/7 baseload — ~11.8 kW above the occupancy-normalized baseline around the clock · correlates with the AHU-3 damper fault
F645.3 kW
F544.1 kW
F445.6 kW
F342.8 kW
F242.4 kW
F148.2 kW

Autonomous actions

What the AI did on its own — high-impact actions wait for approval
4m agoAUTODimmed lighting zones F4–F9 to 40% — occupancy 95%, saving $16/hr
17m agoAUTOReduced AHU-2 supply fan to 62% — CO₂ 486 ppm, well under 900 ppm limit
31m agoAUTOShifted cooling load to Chiller 1 — CH-2 running 6.2% below baseline efficiency
52m agoAUTOElevator EL-3 pulled from peak rotation — door fault predicted, load rebalanced to cars 1/2/4
1h agoPENDINGWork order WO-2214 awaiting approval: P-2 bearing kit, vendor quoted $1,850, install window Tue 05:00
1h agoAUTOPre-cooled floors 2–6 ahead of morning occupancy ramp — off-peak tariff window used
2h agoAUTODomestic hot water setpoint lowered 6°F for overnight — recovery scheduled 05:30
2h agoAUTOIrrigation deferred 24h — roof sensor reports 82% soil moisture
3h agoAUTOGarage exhaust fans cycled down — CO at 4 ppm across all bays
4h agoAUTOPerimeter zone setpoints widened 1°F — solar gain west face, blinds lowered F8–F12

Alerts

6 active
CriticalCHW Pump P-2 — failure predicted in 11 days
Bearing wear — outer race spalling. Bearing vibration at 4.13 mm/s (threshold 4.5), rising toward it. Confidence 97%.
HighFloor 7 wasting $1,194/month
Elevated 24/7 baseload — ~11.8 kW above the occupancy-normalized baseline around the clock · correlates with the AHU-3 damper fault
WatchFloor 11 wasting $385/month
Excess load during unoccupied hours — ~9.2 kW overnight above the occupancy-normalized baseline
InfoChiller 2 efficiency down 6.2% vs commissioning baseline
kW/ton trending up since June. Refrigerant charge check recommended at next service window.
HighElevator 3 — failure predicted in 23 days
Door operator motor wear. Door motor current at 5.13 A (threshold 6.2), rising toward it. Confidence 95%.
HighCondenser Pump P-3 — failure predicted in 25 days
Impeller erosion. Shaft vibration at 3.17 mm/s (threshold 4), rising toward it. Confidence 95%.
HighAHU-3 · Floors 7–9 — failure predicted in 28 days
Outside-air damper stuck at 68%. Supply fan ΔP at 547 Pa (threshold 780), rising toward it. Confidence 94%.

Auto-generated work orders

Scheduled before failure, priced against downtime avoided
WO-2214
Replace bearing assembly
CHW Pump P-2 · Tue 05:00–07:00 · Awaiting approval
avoids $46,000
cost $1,850
WO-2209
Door operator motor service
Elevator 3 · Thu 22:00–02:00 · Vendor dispatched
avoids $28,500
cost $3,200
WO-2201
Replace OA damper actuator
AHU-3 · Sat 08:00–10:00 · Parts ordered
avoids $14,400
cost $740
WO-2196
Impeller inspection
Condenser Pump P-3 · Next service visit · Scheduled
avoids $9,800
cost $420
Praevo — Autonomous Building Operations